ZSL Cookie Information

The ZSL website: www.zsl.org uses cookies. By continuing to use the site, you agree to the use of cookies. If you do not wish to allow the use of cookies and still wish to browse the website you can turn off cookies within your browser settings.

Cookies are small data files that are sent to your browser and pixel tags are used to read such cookies. Most internet browsers automatically accept cookies but you can delete existing cookies from your browser and, by editing your internet browser options, choose not to receive cookies in future.

For information on how to delete and control cookies set by the ZSL website please visit www.aboutcookies.org . These guides will allow you to prevent cookies from being set through your browser settings.

Please note that if you do opt to reject cookies any personalised functionality of this website, for example the shop, will not operate correctly.

Third party cookies

To improve interaction with various websites such as You tube, Facebook and Twitter, we sometimes embed content and share functionality from these websites into the ZSL site. Pages with this embedded content or share buttons may set a cookie from these third party websites.

ZSL does not control the setting of these cookies. You should check the relevant third party website for more information about these.

ZSL also uses analytics software managed by third parties. These services use cookies in order to provide statistical reports about our site visitors. Current third party software include Google Analytics & HotJar.

You can manage the use of third party cookies set by advertisers on the Your online choices site.


ZSL uses Google Analytics to collect data about traffic through the ZSL website via Google advertising cookies and anonymous identifiers. In addition to data collected through a standard Google Analytics implementation,  ZSL uses the following advertising features: Remarketing with Google Analytics, Google Display Network Impression Reporting, DoubleClick Platform integrations & Google Analytics Demographics and Interest Reporting

ZSL will not facilitate the merging of personally-identifiable information with non-personally identifiable information collected through any Google advertising product or feature unless there is robust notice of, and the user's prior affirmative (i.e., opt-in) consent to, that merger.

If you wish to opt-out of Google Analytics tracking please visit and install the Google Analytics Opt-out Browser Add-on.


ZSL uses services provided by Hotjar Ltd. Hotjar provides services including Heatmaps, Visitor recordings, Funnels and Form Analysis, Feedback Polls, Surveys and Recruiters. The information generated by the tracking code and cookies about your use of the website will be transmitted to and stored by Hotjar on servers in Ireland. Through the Hotjar tracking code the information collected is device specific data.

The following information may be collected from your device and browser:

  • your device's IP address (collected and stored in an anonymised format);
  • device screen size;
  • device type (unique device identifiers) and browser information;
  • geographic location (country only);
  • the preferred language used to display the webpage. 
  • referring domain;
  • pages visited;
  • geographic location (country only);
  • the preferred language used to display the webpage;
  • date and time when website pages were accessed;
  • Mouse events;
  • Keypresses.

Hotjar will use this information for evaluating your use of the ZSL website, compiling reports on website activity for website operators and providing other services relating to website activity and internet usage. Hotjar uses a variety of services hosted by third parties, such as Google Analytics and Optimizely. For information on how Google Analytics and Optimizely collect and use your information, please refer to their privacy policies. By continuing to use this website, you consent to the processing of the above data by Hotjar and by the third parties used by Hotjar in accordance with their respective privacy policies. The cookies used by Hotjar have differing durations; some are 365 days, some persist for the session only.

To opt out please go to the following link: https://www.hotjar.com/opt-out


ZSL website cookie list

The aim of this Cookies list is to provide you with an understanding as to what types of cookies ZSL uses on our site.

We have tried to cover all cookies in this list that we or our technology partners use. Please be aware that there may be a delay in updating this list. If you do notice any discrepancies please be sure to contact us and let us know.

APISID, Drupal.tableDrag.showWeight, DrupalModuleFilter, HSID, NID, SAPISID, SESS83a6cb2c86ca52bf676b812e65b8e20c, SID, SSID, __atuvc, __atuvs, _ceg.s, _ceg.u, _ga, cookie-agreed-en, ctools-collapsible-state, has_js, jserr_en, .semasio.net, _conv_r, _conv_v, _ga, bt2, di2, dt, km_ai, loc, uid, um, uvc, vc, .facetz.net, ,mathtag.com, .abmr.net, .pixel.rubiconproject, _gac_UA-786598-1

Most of these cookies are used to support our online ticketing and checkout process. The cookies are session based and are used to remember your details as you proceed through the payment process.

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